Sediment Resuspension from Dredging Activities

by Donald F. Hayes, US Army Engineer Waterways, Experiment Station, Vicksburg, MS, USA,
Gene L. Raymond, US Army Engineer Waterways, Experiment Station, Vicksburg, MS, USA,
T. Neil McLellan, US Army Engineer Waterways, Experiment Station, Vicksburg, MS, USA,



Document Type: Proceeding Paper

Part of: Dredging and Dredged Material Disposal

Abstract:

Dredges are a logical choice for removing contaminated sediments from our Nation's waterways. Historically, the dredging industry has emphasized increased production in an effort to reduce costs; little attention has been placed on reducing the resuspension of bottom sediments into the water column. Field studies of cutterhead, dustpan, hopper, and clamshell dredges have given researchers a feel for the amount of resuspension which occurs in a typical dredging environment. These studies should provide a basis for developing new dredging methods to further reduce resuspension from dredging activities.

Subject Headings: Dredging | Field tests | Sediment | Suspended sediment | Sediment transport | Fluid flow | Waterways

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